Clamp.



F. BAIN.

CLAMP.

APPLICATION FILED MAR` 23| 1914.

Patented Sept. 28, 1915.

OVE/L6M.. a ./f/

Lgf. Z J0 5' .i

v a 75M WJUHIIIIL II I 4 j( I 11g 5M may.

Fortier: BAIN, or LA GRANGE, ILLINOIS, assIeNoR ro CHARLES A. ALLEN, JR., ork

sratrns ramena cierren .La GRANGE, ILLINoIs.

CLAMP.

Y Application filed March y23, 1914. Serial No. 826,461.

Be it known` that I, FORE, BAIN, a citizen, of the United States, residing at La Grange,

m the county of Cook and State of Illinois, have invented certain new ing is a specification.

My invention relates ticularly to a type of adapted for supporting bottles, or

to "clamps and parclamp especially the like,

such as are used in small stills and alleglass automatic coffee pots. .l

One of the objects of my invention 1s` to4 provide a clamp for supporting fragile arti clos, such as glass` bottles, having parts subject to expansion, when heated., such as the necks of the bottles as when the lattery is used in stills, all-glass coffee pots, and the like,

which contain liquidV to be yheated by theA yielding to compensate forfthe increase` and intemdecrease of size, due to diiierences perature.

The support for the bottle must also present a heat insulating surface, for contact with the bottle, to prevent escape of heat therefrom, thereby causing chilling localized at the point of contact, and liability of frac ture when the hotter coffee orl other liquid contained in the bottle comes in contact with the cooled part.

Another object is to generally improve devices of this character. i

Other and further objects of my invention will become readily apparent to persons skilled in the art from a consideration of the following description when taken in connection with the drawing, whereinf Figure l is a bottle support showing my vadjustable clamp on the end of the projecting arm. Fig. 2 is an enlarged cross section of one of theclamping members. F ig. 3 is a longitudinal section, taken through the central horizontal plane of the clamp.

In all the views the same reference characters are employed to indicate similar parts.

5 is the base part of the supporting device, provided with angularly disposed arms 6 and 7, between which to contain the alcohol lamp which is usually employed for heating the glass bottle and contents y Specicationof Letters Patent.

and' useful liny provementsm Clamps, of which thefolloiw,

thereby,

rat-@area sept. es, isis.'

.S is the upright handle portion Vof the deviceandQ wis the laterally projectingsupporting arm, containing on its ,end a two part clamping device 10. The neck of the bottle, to contain the coffee or liquid to vbe distilled, is to be included between the clamp members li and 12. The clamp member 12 1s supportedly yhinged to the clamp member ll, as at 18, and a latch 14;, yieldingly holds the two members in closed association. The members ll and l2 provide each a substantially semi-circular part jointly to encompass the neck of the bottle. y I/Vhen the members are closed, they are not rigidly held together but are secured by the latch 11i in such manner as to permit some relative movement oi' the parts. y

The latch 14, is provided with a stem l5,

thatfpasses through a slot 1G, kin the rela-l tively fixed arm 9, and is pivoted therein as at 17. The outer end of the stem l5 is shown to be screw threaded, as at 18,. for an adjustable nut 19, which may be used to varyA the tension oi the spring20. This adjust ment is not necessary after the strength of the yspring best adapted for the use has once been ascertained. A washer 2l rides freely over the stem l5 and is pressed toward the pivotal point by means of the spring 20. The arm 12 of the member 12, ted, as at 22, and is provided on its free end with two rounding shoulders 23 and 23',- the latter not being shown-and between these shoulders the stem 15 is adapted'to slide in the notch 22. When the latch 14 is in the position shown in Figs. l and 3, the clamp members l1 and l2 are held together some yielding outward movement being permitted by the spring 20, to compensate for any expansion of the article which. the clamping members encompass. In order to open the jaws ll and l2, or to move the latter' on its hinge connection away from the former, to insert or withdraw the neck of the bottle from the clamping members, it is only necessary to move the latch 14: to the right so that the washer A2l will permit the arm l2 of the clamping member l2, ,to pass beyond the latch to permit separation oir the clamping members.

I prefer to line the inner surfaces of the clamping members ll and 12 with an insulating material such as cork 28, in order to thereby provide a yielding heat-insulating substance for actual contact with the is also slot-V :los

surface of the bottle, and to prevent escape of heat from the bottle by actual contact thereof with the metal supporting structure, such as the arm 9, and connected parts.V

In placing the cork 23 in position in the I prefer to under cut the` clamp member. The dove tail association willbesuflicient to hold-the corkJ in, place, but the adhesive will prevent' the longitudinal relative'movernent of the parts. means the contacting', surface of the cork with; the bottle is compressed and somewhat*` strengthened.- Y

The 'cork 23 in some instancesfisk sufficiently so to compensate for the difference inl'diaineter of: the

neck of' the bottle, dueto its'changein terni `peraturefbut the yieldingiclamp la prevents the two clamp members from'beingfpressed together too `tightly and byI this means eX- erting' too much pressuref upon the neck of the bottle. and definite1 prejsanirey which cannot be` in;

creased to anl' undesirable extent, by the" manipulation of Y Vthe latch for the purpose of openingV and closingthe;V said members Gopi'es ogthis patnt'lnay be'obtainedfor five-cents eachbyzaddressingthta f Washington, 117C. f

By this is yielding to some extent and The latchlifi exerts a constant and Vfoi-'this reason also it is advantageous. In the, practical embodiment of my device the. nut 19, on the stem 15, is not necessarily adjustable, the tension of the spring 2O being determined by empirical trial, after which the adjust-ability of the nut 19 be- COIHQS IIHIIQCGSSLIY.

Having described my claimg with a View and Letters Patent is invention, what I desire to secure by In a clamp, the combination of a support-` ing armtermina-ting at one end in a semicircular jaw, `a correspondingsemi-circular the outer end of. therst* and'having a slotted-exten f sion adapted-'to coaet withrthe supportingY arm, said supporting armliavinga through' yopeningformed therein adjacent the end of 'jaw pivotedV to? mentioned -jaw thel aforesaid?y extension, a stem pivoted within thegaforesaid openingn theV arm and arranged when swung into one ofl its eX treme positions to engage the slot formed in, theVv aforesaid extension, andv a spring pressed washer on said stern adapted to en# age thevv slotted entension and resiliently yhold the said jaws in clamping position.

Inte'stimony whereof I hereunto set my hand in* the presence of two subscribing witnessesi K l FOREE` BAIN. c

In the-presence off Gao'. T. MAY, Jr.,

MARYYE. ALLEN;

Commissioner of Patents, 

